Commit 275c51c4 authored by NeilBrown's avatar NeilBrown

md: fix safe_mode buglet.

Whe we set the safe_mode_timeout to a smaller value we trigger a timeout
immediately - otherwise the small value might not be honoured.
However if the previous timeout was 0 meaning "no timeout", we didn't.
This would mean that no timeout happens until the next write completes,
which could be a long time.
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 60559da4
......@@ -3429,7 +3429,7 @@ safe_delay_store(struct mddev *mddev, const char *cbuf, size_t len)
mddev->safemode_delay = (msec*HZ)/1000;
if (mddev->safemode_delay == 0)
mddev->safemode_delay = 1;
if (mddev->safemode_delay < old_delay)
if (mddev->safemode_delay < old_delay || old_delay == 0)
md_safemode_timeout((unsigned long)mddev);
}
return len;
......
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